Patents for H04Q 3 - Selecting arrangements (38,975) |
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07/07/1993 | EP0550180A2 Rerouting in a distributed telecommunication system |
07/07/1993 | EP0550179A2 Redirection of calls by a communication terminal |
07/07/1993 | EP0550178A2 Telecommunication switching system having distributed dialing plan hierarchy |
07/07/1993 | EP0550017A2 Fiber optic switch with spatial light modulator device |
07/06/1993 | US5226075 Method of and apparatus for numbering and routing calls through a communication network |
07/06/1993 | US5226042 Method for establishing wideband communications through a time division switching system |
07/01/1993 | CA2086158A1 Fiber optic switch with spatial light modulator device |
06/30/1993 | EP0549127A2 Common channel signaling message intercept system |
06/30/1993 | EP0549126A2 Method and apparatus for alerting multiple telephones for an incoming call |
06/30/1993 | EP0549053A1 Apparatus for switching data |
06/30/1993 | EP0549016A1 Method of transferring between switching exchanges for mobile services, the handling of an active connection |
06/30/1993 | EP0530345A4 Packet switching communications system |
06/30/1993 | EP0525121A4 Distributed protocol for improving the survivability of telecommunications trunk networks |
06/29/1993 | US5224153 Voice-data telephonic interface control system |
06/29/1993 | US5223827 Process and apparatus for managing network event counters |
06/29/1993 | CA2024771C Optical interconnection apparatus |
06/29/1993 | CA1319769C Digital added main line system |
06/29/1993 | CA1319768C Channel redundancy in a digital loop carrier system |
06/24/1993 | WO1993012624A1 Fibre optic telephone loop network |
06/24/1993 | WO1993012622A1 Communications terminal equipment |
06/24/1993 | WO1993012620A1 Programmable subscriber's extension set |
06/24/1993 | WO1993012619A1 Feature control system utilizing design oriented state table language |
06/24/1993 | WO1993012594A1 Externally controlled call processing system |
06/24/1993 | WO1993012593A1 Isdn branch exchange |
06/24/1993 | WO1993012445A1 Optical switch |
06/24/1993 | DE4142615A1 Operating control installation for telecommunications network - uses control data for network subscribers held in plan data list during modification of network for subsequent transfer to actual data list |
06/24/1993 | CA2124830A1 Externally controlled call processing system |
06/24/1993 | CA2124571A1 Communications terminal equipment |
06/24/1993 | CA2085825A1 Data switching device |
06/23/1993 | EP0547780A2 Method and apparatus for monitoring a network for customer signaling during the term of a call |
06/23/1993 | EP0547602A2 Programmable optical crossbar switch |
06/23/1993 | EP0547413A2 Programm controlled communication centre |
06/23/1993 | EP0547067A1 Alarm and test system for a digital main line. |
06/23/1993 | CN1021395C Synchronous-asynchronous converter |
06/22/1993 | US5222166 Aircraft fiber optic data distribution system |
06/22/1993 | US5222128 Telecommunication disaster plan |
06/22/1993 | US5222126 Communication apparatus connected to other communication terminals |
06/22/1993 | US5222125 System for providing personalized telephone calling features |
06/22/1993 | US5222124 PBX system communications device |
06/22/1993 | US5222120 Long distance telephone switching system with enhanced subscriber services |
06/22/1993 | US5221922 Broadband signal switching matrix network |
06/22/1993 | CA2000646C Switch for selectively switching optical wavelengths |
06/19/1993 | CA2084949A1 Programmable optical crossbar switch |
06/17/1993 | DE4141183A1 Electronic switching X=Y matrix for data communication networks - connects two incoming lines with two outgoing lines under control of single control element containing single transistor |
06/16/1993 | EP0546707A2 Passive optical communication network |
06/16/1993 | EP0546151A1 Application modularity in telecommunications exchanges |
06/10/1993 | WO1993011645A1 Improved call pacing with call termination prior to first ring in potential no operator condition |
06/10/1993 | WO1993011643A1 Telephone circuit to control off-hook status during receipt of caller-id signal |
06/10/1993 | WO1993011484A2 Software structure for telecommunication switching systems |
06/10/1993 | WO1993007699A3 Broadband input buffered atm switch |
06/10/1993 | CA2080929A1 Secure telecommunications |
06/09/1993 | EP0545226A2 Simultaneous recorded voice delivery and computer data screen delivery to an agent station |
06/09/1993 | EP0544930A1 Method of tracing program paths in communication exchange programs |
06/09/1993 | CN1021183C Method of managing traffic flow in wideband integrated services digital telecommunications network, and network for implementing method |
06/08/1993 | US5218631 Telephonic-interface game control system |
06/08/1993 | US5218601 Method for searching for alternate path in communication network |
06/08/1993 | US5218198 Optical waveguide switch utilizing means for detecting a tapped off fraction of the input signal |
06/08/1993 | CA1318960C Crosspoint switching array |
06/08/1993 | CA1318959C Method of multicast message distribution |
06/02/1993 | EP0544637A2 Software structure for telecommunication switching systems |
06/02/1993 | EP0544608A1 Method and system for the efficient distribution of messages utilizing a data processing system |
06/02/1993 | EP0544034A1 Method for reconstructing the correct sequence of communication cells |
06/01/1993 | US5216591 Method for efficient distributed data communications network backbone node location |
06/01/1993 | US5216420 Matrix sorting network for sorting N inputs onto N outputs |
05/29/1993 | CA2083870A1 Method for restoring the sequence of message cells |
05/28/1993 | CA2073560A1 Multi-media serial line switching adapter for parallel networks and heterogenous and homologous computer systems |
05/27/1993 | WO1993010619A1 Inbuilding telephone communication system |
05/27/1993 | WO1993010616A1 Personal locator and call forwarding |
05/27/1993 | WO1993010614A1 Security systems based on recording unique identifier for subsequent playback |
05/27/1993 | CA2121602A1 Inbuilding telephone communication system |
05/26/1993 | EP0543235A2 Call transfers by voice messaging systems (VMS) integrated to a private branch exchange |
05/26/1993 | EP0542741A1 Serial array time-slot interchangers |
05/26/1993 | CN1021005C Fully integrated telecommunication network |
05/25/1993 | US5214692 Bypass for telephone switching system |
05/25/1993 | US5214688 Method and apparatus for dynamic and interdependent processing of inbound calls and outbound calls |
05/25/1993 | US5214640 High-speed packet switching system |
05/25/1993 | US5214639 Communication switching element and method for transmitting variable length cells |
05/25/1993 | US5214424 Broadband signal switching equipment |
05/25/1993 | CA2004589C Switch components and multiple data rate non-blocking switch network utilizing the same |
05/19/1993 | EP0542233A2 Cell switching apparatus and method |
05/19/1993 | EP0417083B1 Communication switching element |
05/18/1993 | US5212727 In a telecommunications system |
05/18/1993 | US5212691 Private network with means for establishing virtual tie trunks between PBXS through ISDN public network |
05/18/1993 | US5212587 Binary tree switching network |
05/18/1993 | US5212578 Selection of transmission facilities using optical wavelength division multiplexing |
05/18/1993 | CA2032216C Method for avoiding call blocking |
05/13/1993 | WO1993009628A1 Function testing system for a communications installation |
05/13/1993 | DE4136817A1 Funktionspruefsystem fuer eine kommunikationsanlage Funktionspruefsystem for a communication system |
05/12/1993 | EP0541303A2 Optical circulating shift register |
05/12/1993 | EP0541300A2 Optical crossbar exchange arrangement |
05/12/1993 | EP0541123A2 Remote subscriber control system in a digital line switching system |
05/12/1993 | EP0540538A1 Method of controlling a digital coupling-field store |
05/12/1993 | EP0373161B1 Switching arrangement and method |
05/11/1993 | US5210529 Bit finder circuit |
05/05/1993 | EP0540258A2 Dynamic routing-administration |
05/05/1993 | EP0540257A2 User-code based call treatment |
05/05/1993 | EP0540256A2 Telecommunications call-processing arrangement |
05/05/1993 | EP0540255A2 Context-dependent call-feature selection in a telecommunication system |
05/05/1993 | EP0540254A2 Dialed number recognition arrangement |
05/05/1993 | EP0540253A2 Dynamic tone-adminstration in a switching system |